Knights of Metal
type: MusicGroup
popularity: 2
followers: 191
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfe6b7d0db92d0aae5cd454236e9d1f9d08b19efbe632c0700e61f4be6a023af0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954549
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954549
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/aad4b9d9-a62f-4c69-97a3-c2e49ae5da6b.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/aad4b9d9-a62f-4c69-97a3-c2e49ae5da6b.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/aad4b9d9-a62f-4c69-97a3-c2e49ae5da6b
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T10:56:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xfe6b7d0db92d0aae5cd454236e9d1f9d08b19efbe632c0700e61f4be6a023af0","name":"Knights of Metal","registered_at":"2026-06-20T09:12:17Z","symbol":"NIM1576309","token_address":"0x933d03fedd181374c3b9e12b36b1e744f4772b8c","type":"artist","uuid":"aad4b9d9-a62f-4c69-97a3-c2e49ae5da6b"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe6b7d0db92d0aae5cd454236e9d1f9d08b19efbe632c0700e61f4be6a023af0. Chain 2 (Bitcoin): anchored in block 954549 (2026-06-20T10:56:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/aad4b9d9-a62f-4c69-97a3-c2e49ae5da6b.json and https://artists.proofprofile.net/proofs/artist/aad4b9d9-a62f-4c69-97a3-c2e49ae5da6b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T10:56:20Z
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